Intra-Fraction Error (167 treatment fractions)
0
5
10
15
20
25
0
1
2
3
4
5
6
7
8
9
/
No Synchrony
/
Synchrony
Intra-fraction error (1 SD) [mm]
Respiratory motion amplitude (mm)
c
S
Hoogeman M et al. Int J Radiat
Oncol Biol Phys. 2009 May
1;74(1):297-303.